Add and debug PyBaMM test suite

.github/workflows/test_suite.yml

@@ -0,0 +1,59 @@
+name: PyBaMM wheel tests
+
+on:
+  workflow_dispatch:
+  pull_request:
+
+env:
+  FORCE_COLOR: 3
+
+jobs:
+  run_unit_tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ["3.11.8"]
+    name: test-suite-${{ matrix.os }}-pybamm-24.1-${{ matrix.python-version }}
+
+    steps:
+      - name: Set up Python ${{ matrix.python-version }}
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install PyBaMM via wheels
+        run: python -m pip install "pybamm[all,dev]==24.1"
+
+      - name: Checkout tests from PyBaMM repository
+        uses: actions/checkout@v4
+        with:
+          repository: pybamm-team/PyBaMM
+          ref: 'v24.1'
+          sparse-checkout: |
+            tests
+          sparse-checkout-cone-mode: true
+
+      - name: Find PyBaMM installation
+        shell: python
+        run: |
+          import os
+          import pybamm
+          from pathlib import Path
+
+          pybamm_path = Path(pybamm.__file__).parent
+
+          env_file = os.getenv('GITHUB_ENV')
+
+          with open(env_file, "a") as myfile:
+              myfile.write(f"PYBAMM_PATH={pybamm_path}\n")
+
+      - name: Add tests folder to PyBaMM installation
+        run: |
+          ls -a ${{ env.PYBAMM_PATH }}
+          mv tests ${{ env.PYBAMM_PATH }}
+
+      - name: Run unit tests and integration tests with unittest
+        run: python -m unittest discover -s ${{ env.PYBAMM_PATH }}/tests/ --verbose